<template>
  <div class="dashboard-container">
    <div class="app-container">
      <!-- 头部组件 -->
      <page-tools :show-before="true">
        <span slot="before">共{{ page.total }}条记录</span>
        <template slot="after">
          <el-button size="small" type="success" @click="$router.push('/import')">excel导入</el-button>
          <el-button size="small" type="danger" @click="exportData">excel导出</el-button>
          <el-button size="small" type="primary" @click="showDialog=true">新增员工</el-button>
        </template>
      </page-tools>
      <!-- 表格 -->
      <template>
        <el-table :data="list" :loading="loading" :border="true">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" align="center">
            <template slot-scope="{row}">
              <img
                v-imagerror="defaultImg"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
                @click="showQrCode(row.staffPhoto)"
              >
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column label="聘用形式" sortable="" prop="formOfEmployment" :formatter="formOfEmployment" />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template slot-scope="{row}">{{ row.timeOfEntry|formatDate }}</template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{row}">
              <el-switch :value="row.enableState===1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" fixed="right" width="280">
            <template slot-scope="{row}">
              <el-button type="text" size="small" @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="deleteEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </template>
      <!-- 分页组件 -->
      <el-row type="flex" justify="center">
        <el-pagination
          layout="prev, pager, next"
          :page-size="page.size"
          :total="page.total"
          :current-page="page.page"
          @current-change="changePage"
        />
      </el-row>
    </div>
    <!-- 弹层 -->
    <add-employee :show-dialog.sync="showDialog" />
    <!-- 二维码弹层 -->
    <el-dialog title="二维码" :visible.sync="showCodeDialog">
      <el-row type="flex" justify="center">
        <canvas ref="myCanvas" />
      </el-row>
    </el-dialog>
    <!-- 角色弹层 -->
    <assign-role :show-role-dialog.sync="showRoleDialog" :user-id="userId" ref="assignRole" />
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee.vue'
import { formatDate } from '@/filters'
import QrCode from 'qrcode' // 引入二维码插件
import AssignRole from './components/assign-role.vue' // 引入角色弹层
export default {
  // 组件名称
  name: '',
  // 局部注册的组件
  components: {
    AddEmployee,
    AssignRole

  },
  // 组件参数 接收来自父组件的数据
  props: {},
  // 组件状态值
  data () {
    return {
      showRoleDialog: false, // 控制角色弹层
      userId: null,
      showCodeDialog: false, // 控制二维码的弹层
      defaultImg: require('@/assets/common/bigUserHeader.png'), // 默认图片
      list: [], // 承接员工列表数据
      loading: false, // 加载状态
      page: {
        page: 1,
        size: 10,
        total: 0
      },
      showDialog: false // 控制弹层

    }
  },
  // 计算属性
  computed: {},
  // 侦听器
  watch: {},
  // 生命周期钩子   注：没用到的钩子请自行删除
  /**
  * 组件实例创建完成，属性已绑定，但DOM还未生成，$ el属性还不存在
  */
  created () {
    this.getEmployeeList()
  },
  /**
  * el 被新创建的 vm.el 替换，并挂载到实例上去之后调用该钩子。
  * 如果 root 实例挂载了一个文档内元素，当 mounted 被调用时 vm.el 也在文档内。
  */
  mounted () {},
  // 组件方法
  methods: {
    async getEmployeeList () {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      // console.log(result)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    changePage (newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    formOfEmployment (row, column, cellValue, index) {
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    // 删除员工
    async deleteEmployee (id) {
      try {
        await this.$confirm('确定删除该员工吗？', { confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning' })
        await delEmployee(id)
        this.$message.success('删除成功')
        this.getEmployeeList()
      } catch (error) {
        // alert('操作失败')
        console.log(error)
      }
    },
    // 导出excel
    exportData () {
      // 表头对应关系
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      // 懒加载
      import ('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
        const data = this.formatJson(headers, rows)
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autoWidth: true,
          bookType: 'xlsx',
          multiHeader, // 复杂表头
          merges // 合并选项

        })
      })
    },
    formatJson (headers, rows) {
      return rows.map(item => {
        return Object.keys(headers).map(key => {
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            return formatDate(item[headers[key]])
          } else if (headers[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
    },
    // 二维码弹层
    showQrCode (url) {
      if (url) {
        this.showCodeDialog = true // 数据更新了 但是我的弹层会立刻出现吗 ？页面的渲染是异步的！！！！
        // 有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url) // 将地址转化成二维码
          // 如果转化的二维码后面信息 是一个地址的话 就会跳转到该地址 如果不是地址就会显示内容
        })
      } else {
        this.$message.warning('该用户未上传头像')
      }
    },
    async editRole (id) {
      await this.$refs.assignRole.getUserDetailById(id)
      this.showRoleDialog = true
      this.userId = id
    }
  }
}
</script>

<style scoped lang="less">

</style>

